1 /*-
2 * Copyright (c) 2003-2005 MAEKAWA Masahide <maekawa@cvsync.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the author nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30 #include <sys/types.h>
31
32 #include <stdlib.h>
33
34 #include <openssl/md5.h>
35 #include <openssl/ripemd.h>
36 #include <openssl/sha.h>
37
38 #include "compat_stdbool.h"
39 #include "compat_stdint.h"
40 #include "compat_inttypes.h"
41
42 #include "hash.h"
43
44 bool cvsync_MD5_init(void **);
45 void cvsync_MD5_update(void *, const void *, size_t);
46 void cvsync_MD5_final(void *, uint8_t *);
47 bool cvsync_RIPEMD160_init(void **);
48 void cvsync_RIPEMD160_update(void *, const void *, size_t);
49 void cvsync_RIPEMD160_final(void *, uint8_t *);
50 bool cvsync_SHA1_init(void **);
51 void cvsync_SHA1_update(void *, const void *, size_t);
52 void cvsync_SHA1_final(void *, uint8_t *);
53 void cvsync_openssl_destroy(void *);
54
55 const struct hash_args MD5_args = {
56 cvsync_MD5_init, cvsync_MD5_update, cvsync_MD5_final,
57 cvsync_openssl_destroy,
58 16
59 };
60
61 const struct hash_args RIPEMD160_args = {
62 cvsync_RIPEMD160_init, cvsync_RIPEMD160_update, cvsync_RIPEMD160_final,
63 cvsync_openssl_destroy,
64 20
65 };
66
67 const struct hash_args SHA1_args = {
68 cvsync_SHA1_init, cvsync_SHA1_update, cvsync_SHA1_final,
69 cvsync_openssl_destroy,
70 20
71 };
72
73 bool
cvsync_MD5_init(void ** ctx)74 cvsync_MD5_init(void **ctx)
75 {
76 MD5_CTX *md5ctx;
77
78 if ((md5ctx = malloc(sizeof(*md5ctx))) == NULL)
79 return (false);
80 MD5_Init(md5ctx);
81
82 *ctx = md5ctx;
83
84 return (true);
85 }
86
87 void
cvsync_MD5_update(void * ctx,const void * buffer,size_t bufsize)88 cvsync_MD5_update(void *ctx, const void *buffer, size_t bufsize)
89 {
90 MD5_Update(ctx, buffer, (unsigned long)bufsize);
91 }
92
93 void
cvsync_MD5_final(void * ctx,uint8_t * buffer)94 cvsync_MD5_final(void *ctx, uint8_t *buffer)
95 {
96 MD5_Final(buffer, ctx);
97 free(ctx);
98 }
99
100 bool
cvsync_RIPEMD160_init(void ** ctx)101 cvsync_RIPEMD160_init(void **ctx)
102 {
103 RIPEMD160_CTX *ripemd160ctx;
104
105 if ((ripemd160ctx = malloc(sizeof(*ripemd160ctx))) == NULL)
106 return (false);
107 RIPEMD160_Init(ripemd160ctx);
108
109 *ctx = ripemd160ctx;
110
111 return (true);
112 }
113
114 void
cvsync_RIPEMD160_update(void * ctx,const void * buffer,size_t bufsize)115 cvsync_RIPEMD160_update(void *ctx, const void *buffer, size_t bufsize)
116 {
117 RIPEMD160_Update(ctx, buffer, (unsigned long)bufsize);
118 }
119
120 void
cvsync_RIPEMD160_final(void * ctx,uint8_t * buffer)121 cvsync_RIPEMD160_final(void *ctx, uint8_t *buffer)
122 {
123 RIPEMD160_Final(buffer, ctx);
124 free(ctx);
125 }
126
127 bool
cvsync_SHA1_init(void ** ctx)128 cvsync_SHA1_init(void **ctx)
129 {
130 SHA_CTX *sha1ctx;
131
132 if ((sha1ctx = malloc(sizeof(*sha1ctx))) == NULL)
133 return (false);
134 SHA1_Init(sha1ctx);
135
136 *ctx = sha1ctx;
137
138 return (true);
139 }
140
141 void
cvsync_SHA1_update(void * ctx,const void * buffer,size_t bufsize)142 cvsync_SHA1_update(void *ctx, const void *buffer, size_t bufsize)
143 {
144 SHA1_Update(ctx, buffer, (unsigned long)bufsize);
145 }
146
147 void
cvsync_SHA1_final(void * ctx,uint8_t * buffer)148 cvsync_SHA1_final(void *ctx, uint8_t *buffer)
149 {
150 SHA1_Final(buffer, ctx);
151 free(ctx);
152 }
153
154 void
cvsync_openssl_destroy(void * ctx)155 cvsync_openssl_destroy(void *ctx)
156 {
157 free(ctx);
158 }
159